AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Ring Set Piston |
| Federal Supply Group (FSG) | Engines Turbines and Components |
| Federal Supply Class (FSC) | 2805 Gasoline Reciprocating Engines Except Aircraft and Components |
| National Item Identification Number (NIIN) | 00-388-6652 (003886652) |
| NCB Code | USA (00) |
| Manufacturer | Military Standards Corp, Chief Of Engineers |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| RSMS13956-3 | military standards corp | ring set piston | RFQ |
| MS13956-3 | military standards corp | ring set piston | RFQ |
| MIL-E-11275 | military standards corp | ring set piston | RFQ |
| RSMS13956-3 | chief of engineers | ring set piston | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ACXZ | STANDARD BORE DIAMETER | 3.750 INCHES |
| ACYA | BORE DIAMETER OVERSIZE | 0.040 INCHES |
| AETD | PISTON ACCOMMODATION QUANTITY | 1 |
| AETE | RING SET COMPONENT PARTS | COMPRESSION RING,MS13932-12,96906,1,COMPRESSION RING,MS13933-12,96906,1,EXPANDER RING,MS13928-1,96906,1,EXPANDER RING,MS13930-4,96906,1,OIL RING,MS13931-15,96906,2 |
| Relevant Components for NSN - 2805-00-388-6652, 2805003886652 | ||||
| 2805-01-240-6126 (2805012406126) | 2805-00-262-7518 (2805002627518) | 2815-01-248-8775 (2815012488775) | 2840-01-596-5492 (2840015965492) | |
| 2805-01-066-5405 (2805010665405) | 2840-01-617-3491 (2840016173491) | 2815-01-127-3597 (2815011273597) | 2805-01-066-4028 (2805010664028) | |
| 2825-00-025-9691 (2825000259691) | 2825-00-992-0632 (2825009920632) | 2815-00-361-9922 (2815003619922) | 2840-01-653-5046 (2840016535046) | |
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